Adaptor



FIG. 1 is a front perspective view of an adaptor according to our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawing depict portions of the adaptor that form no part of the claimed design. 

CLAIM The ornamental design for an adaptor, as shown and described. 